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98017940 = 22521123227
BaseRepresentation
bin1011101011110…
…10001010010100
320211102211100002
411311322022110
5200043033230
613420510432
72300065406
oct565721224
9224384302
1098017940
1150368369
12289ab418
13173cb5a7
14d036b76
158912545
hex5d7a294

98017940 has 24 divisors (see below), whose sum is σ = 206822112. Its totient is φ = 39019680.

The previous prime is 98017901. The next prime is 98017943. The reversal of 98017940 is 4971089.

It is a junction number, because it is equal to n+sod(n) for n = 98017894 and 98017903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98017943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (8617588).

Almost surely, 298017940 is an apocalyptic number.

It is an amenable number.

98017940 is an abundant number, since it is smaller than the sum of its proper divisors (108804172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98017940 is a wasteful number, since it uses less digits than its factorization.

98017940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23447 (or 23445 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 98017940 is about 9900.4010019797. The cubic root of 98017940 is about 461.0717605598.

The spelling of 98017940 in words is "ninety-eight million, seventeen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 23227 46454 92908 116135 232270 464540 4900897 9801794 19603588 24504485 49008970 98017940